PROMISE OF QUALITY: Our prime interest lies in customer satisfaction and to ensure that our customers have peace of mind with our 1 years free warranty. Should our product fail to satisfy you, we assure a product replacement or a money-back guarantee, with no further questions asked! If you not sure whether this memory stick can support your devices or not,please simply make a Customber Q&A or send your devices model to us.We will solve the problem for you as soon as possible. 16GB memory stick PRO DUO (HX-MS16GB)for PSP(all versions)& , Handycam camcorders and Alpha DSLRs.(Some model can not supprt).